Native video calling on 3g is not supported only 3rd party like Skype, ym, stalk, tango etc.. But u know wat if I were u 3rd party is much better than native video calling because it's cheaper specially when ur using WiFi...

Abu_Far7an, 22 Oct 2012It’s battry very bad .
just about 12-15 hour nearly all android smart phones have similar battery life, most people charge their phones every night, 12 - 14 hours is very good I think personnaly.

UKc, 22 Oct 2012according to this http://www.sonymobile.com/global-en/software/phones/xperia-s/ , latest softw... moreDon't rely mainly on checking firmware updates from your phone because sometime it's not accurate. I never receive notification for my Xperia S. If you know how to use PC Companion then try it. If it says No Update Available, it means the latest firmware .50 is still not available in your country.

UKc, 22 Oct 2012according to this http://www.sonymobile.com/global-en/software/phones/xperia-s/ , latest softw... moreWere country are u in? Me I'm here in Riyadh Saudi Arabia,,, just wait for the notification... Battery life was improve